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A 65.0 kg skier initially at rest begins to slide down at a 10.0 degree slope. If the hill is 30m long and the coefficient of kinetic friction is 0.05, how fast will the skier be going a the end of the hill?
A spring that has a force constant of 1000 N/m is mounted vertically on the ground. By what distance does the spring compress
A hypodermic syringe is attached to a needle that has an internal radius of 0.304 mm and a length of 3.05 cm. What force must be applied to the plunger, which has an area of 1.05 cm2
A disk, initially rotating at 149 rad/s, is slowed down with a constant angular acceleration of magnitude 4.23 rad/s2. (a) Explain by how much time does the disk take to stop? (b) Through what angle (rad) does the disk rotate during that time?
A flywheel with a radius of 0.500m starts from rest and accelerates with a constant angular acceleration of 0.500rad/s2. Compute the magnitude of the radial acceleration of a point on its rim after it has turned through 60.0
What is the magnitude of the force on the electron from the uranium ion?
An aluminum baseball bat has a length of 0.81 m at a temperature of 20°C. When the temperature of the bat is raised, the bat lengthens by 0.00016 m. Determine the final temperature of the bat.
You have 30 tuning forks that oscillate at close but different frequencies. What are the minimum number of different beat frequencies you can produce by sounding the forks 2 at a time
In a Young's double slits experiments. The interference patterns are shown on the screen. Find the angle of the order of the destructive fringe
Identify three examples of 19th century Impressionist painting or sculpture and three Post-Impressionist works. Explain how the six pieces of art fall into these two styles.
Two equal positive charges of magnitude q1 = q2 = 6 nC are on the y axis at y1 = +3 cm and y2 = -3 cm. (a) What is the magnitude and direction of the electric field on the x axis at x = 6 cm? b) What is the force exerted on a third charge q0 = 4 n..
A 0.550 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, what is the initial acceleration of the metal cylinder
A skier of mass m glides down a hill of slope ? at constant speed. If she travels a distance d down the hill, what is the work done by friction
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